{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T13:28:32.218649+00:00","duration_seconds":1.052433,"id":369532,"input_summary":"chars=761 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":122612,"started_at":"2026-06-25T13:28:31.166216+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":122613}